package servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(name = "LoginServlet",urlPatterns = "/LoginServlet")
public class LoginServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");

        if(username.equalsIgnoreCase("admin")&&password.equalsIgnoreCase("123456")){
            System.out.println("登录成功！");
            response.sendRedirect("QueryAllServlet");
        }else{
            response.setContentType("text/html;charset=utf-8");
            request.setAttribute("error","登录失败，密码或用户名输入错误！");
            request.getRequestDispatcher("login.jsp").forward(request,response);


        }


    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request,response);
    }
}
